Principal Software Engineer, Full Stack

CAPSA SOLUTIONS LLC • Canal Winchester, OH

4h • $140,000 - $190,000 • Remote

About The Position

At Capsa Healthcare, we're engineering better care. We build what healthcare runs on. Our pharmacy automation teams build the counting, packaging and robotic dispensing systems, and the software behind them, that pharmacies rely on to fill prescriptions at every scale, from a single retail counter to high volume central fill and mail order operations. It is engineering you can walk through. Join us and see how we're engineering a path to better care. Learn more about our solutions at www.capsahealthcare.com. We are seeking a Principal Software Engineer, Full Stack to be the technical authority behind Capsa’s next-generation pharmacy software, influencing architecture across cloud-native microservices, event-driven systems, and customer facing applications.

Requirements

• Advanced .NET, C#, and Microservices Architecture: Expert-level proficiency in .NET and C#, modern asynchronous programming, and designing, scaling, and troubleshooting production microservices with proven success in low-latency, high-throughput concurrent processing environments.
• Event-Driven Systems and Messaging: Strong production experience with Kafka (or similar event-streaming platforms), MassTransit, sagas/state machines, and deep understanding of messaging patterns including delivery guarantees, ordering, idempotency, deduplication, backpressure, transactional outbox, and dead-letter handling.
• Modern Frontend Development: Extensive hands-on experience with React.js, React Native, TypeScript, Redux Toolkit, Redux-Saga, REST API integration, responsive UI development, testing (Jest/React Testing Library), and browser-based performance and debugging tools.
• Cloud-Native SaaS and Engineering Leadership: Experience building multi-tenant SaaS platforms using AWS, Kubernetes, containerization, infrastructure as code, CI/CD, OpenTelemetry, security best practices (including HIPAA considerations), and the ability to effectively leverage AI coding tools while communicating technical trade-offs to business and executive stakeholders.
• A bachelor's degree in engineering or related field.
• 12+ years software engineering experience.
• 5+ years building distributed, real-time, or high-throughput systems.

Nice To Haves

• A master's degree is a plus.

Responsibilities

• Be the technical authority behind Capsa’s next-generation pharmacy software.
• Influence architecture across cloud-native microservices, event-driven systems, and customer facing applications.

Benefits

• Competitive salary commensurate with experience
• Paid time off
• Paid holidays
• Medical, dental, and vision coverage
• Paid parental leave
• 401(k) with company match
• Company-paid Life, AD&D, and Long-Term Disability insurance
• Voluntary Short-Term Disability, Supplemental Life, AD&D, Accidental Injury, and Hospital Indemnity insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Principal